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The terrorist attack at Westminster Bridge was one of four to hit Britain in quick succession last yearGETTY IMAGES

Viewing guide, by Joe Clay

Four Days That Shook BritainITV, 9pmLast year Britain was hit by four terrorist attacks in quick succession — car and knife atrocities at Westminster Bridge (March 22) and London Bridge (June 3); a suicide bombing at an Ariana Grande concert in Manchester (May 22); and a car attack outside Finsbury Park Mosque, north London (June 19). The first three attacks were described by the prime minister, Theresa May, as “bound together by the single, evil ideology of Islamist extremism”, while the fourth was a revenge attack against Muslims by a white male influenced by far-right propaganda. With the one-year anniversary of the first of those attacks approaching, the Bafta award-winning Minnow Films (7/7: One Day in London; Damilola: Our…